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ec08d43dd3
* NATIVE_INT_TYPE use in toString * NATIVE_INT_TYPE use in SimpleObjRegistry * NATIVE_INT_TYPE use in Asserts * NATIVE_INT_TYPE use in Fw/Comp * NATIVE_INT_TYPE use in getCapacity * NATIVE_INT_TYPE use in getEntries * NATIVE_INT_TYPE use in size/length * NATIVE_INT_TYPE use in FILE_NAME_ARG * NATIVE_INT_TYPE use in Fw (misc) * NATIVE_INT_TYPE use in identifier * NATIVE_INT_TYPE use in Fw (misc II) * POINTER_CAST in Buffer * POINTER_CAST in Serializable * sp * Removing no longer used DefaultTypes.hpp * Fixes to accomidate Fw refactor * Unit-test and CI fixes * Fixing review comments - pt 1
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
// ======================================================================
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// \title CRC32.cpp
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// \author dinkel
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// \brief cpp file for CRC32 implementation of Hash class
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//
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// \copyright
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// Copyright 2009-2015, by the California Institute of Technology.
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// ALL RIGHTS RESERVED. United States Government Sponsorship
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// acknowledged.
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//
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// ======================================================================
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#include <Utils/Hash/Hash.hpp>
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namespace Utils {
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Hash ::
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Hash()
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{
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this->init();
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}
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Hash ::
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~Hash()
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{
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}
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void Hash ::
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hash(const void *const data, const FwSizeType len, HashBuffer& buffer)
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{
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HASH_HANDLE_TYPE local_hash_handle;
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local_hash_handle = 0xffffffffL;
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FW_ASSERT(data);
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char c;
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for(FwSizeType index = 0; index < len; index++) {
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c = static_cast<const char*>(data)[index];
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local_hash_handle = static_cast<HASH_HANDLE_TYPE>(update_crc_32(local_hash_handle, c));
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}
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HashBuffer bufferOut;
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// For CRC32 we need to return the one's complement of the result:
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Fw::SerializeStatus status = bufferOut.serialize(~(local_hash_handle));
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FW_ASSERT( Fw::FW_SERIALIZE_OK == status );
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buffer = bufferOut;
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}
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void Hash ::
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init()
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{
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this->hash_handle = 0xffffffffL;
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}
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void Hash ::
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update(const void *const data, FwSizeType len)
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{
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FW_ASSERT(data);
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char c;
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for(FwSizeType index = 0; index < len; index++) {
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c = static_cast<const char*>(data)[index];
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this->hash_handle = static_cast<HASH_HANDLE_TYPE>(update_crc_32(this->hash_handle, c));
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}
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}
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void Hash ::
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final(HashBuffer& buffer)
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{
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HashBuffer bufferOut;
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// For CRC32 we need to return the one's complement of the result:
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Fw::SerializeStatus status = bufferOut.serialize(~(this->hash_handle));
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FW_ASSERT( Fw::FW_SERIALIZE_OK == status );
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buffer = bufferOut;
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}
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void Hash ::
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final(U32 &hashvalue)
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{
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FW_ASSERT(sizeof(this->hash_handle) == sizeof(U32));
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// For CRC32 we need to return the one's complement of the result:
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hashvalue = ~(this->hash_handle);
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}
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void Hash ::
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setHashValue(HashBuffer &value)
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{
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Fw::SerializeStatus status = value.deserialize(this->hash_handle);
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FW_ASSERT( Fw::FW_SERIALIZE_OK == status );
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// Expecting `value` to already be one's complement; so doing one's complement
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// here for correct hash updates
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this->hash_handle = ~this->hash_handle;
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}
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}
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